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Old 08-28-2014, 10:20 AM
mvickr mvickr is offline
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Unhappy Switching ISPs Avaya IP 500. Going from T1 to cable internet and a seprate T1

Hello all, I hope someone can provide me some assistance!
I run IT for a medium sized company. When I first started, they switched from a T1 and non-IP phones to a different T1 [AT&T] and an Avaya IP Office 500 v2
I did not have anything to do with the setup, but have been managing the system for the last 4 years.
Now the company is switching from a single T1 providing internet into a Cisco ASA5500 and then a switch to the LAN and also providing phone service to the IP500 from a different port - the IP500 is also hooked to the lan. So they are switching to Charter Business cable internet and a Windstream/nuvox T1 for the phones.
I successfully migrated the internet to the Charter Business, now the Windstream modem/demarc is installed and it's time to ditch AT&T and get the windstream active and hooked to the Avaya IP 500.

I was under the impression that Windstream was going to be onsite for the changeover! NOT THE CASE! I am supposed to activate the windstream via a confrence call and get it hooked to the IP Office 500 myself...

I am at a loss as to what I need to do, a total loss..

Is it as simple as activating the windstream and plugging in the Avaya IP office, as it is already configured properly? It can't be, can it? I don't even see the same ports on the windstream box...

Please let me know what details I need to provide you all here so that perhaps someone can provide me some assistance!

Here's a "High level overview" from Windstream

High Level Overview
1.5M DYIP SIP w/Internet
Windstream Adtran 908e rental router with Advanced Managed Router
1 block DID#'s (Port 7 DID#'s and remaining 13 are NEW #'s)

7 PORTED Office Relocation VTN #'s

SIP will terminate to an Avaya IP Office using 3rd party vendor / 12 call paths using G.729a.

Customer uses Charter for primary Internet, so this Internet will be backup.
We are also porting 3 ABL lines: 314-733- xxxx, xxxx, and xxxx ( fax, alarm, and POS), and porting 1 toll free #888-xxx-xxxx, ring to 314-434-xxxx.

Please let me know what else I can let YOU know!
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Old 08-28-2014, 12:20 PM
zakabog zakabog is offline
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Are they giving you a PRI off the Adtran 908e? If so just plug the PRI port on the IP Office into the DSX1 port on the back of the Adtran 908e, I don't know off hand if you need a T1 crossover cable or not, but you can ask Windstream and they'll tell you.
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Old 08-28-2014, 02:45 PM
mvickr mvickr is offline
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Here is what they have to say:

A PRI hand off from the TA908E router will require a T1 cross over cable. However, I am showing the interface to be a SIP trunk on our router. Can you please confirm what service type you require for voice. Most IP Offices are SIP interface but we have supported PRI handoffs before.

I think we are SIP - what next?
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Old 08-28-2014, 05:09 PM
thiel2 thiel2 is offline
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If you were to pull the configuration from your IP Office with Manager, you would be able to see if you are using SIP trunks or still using the PRI. A PRI handoff will be much easier for you to handle yourself, assuming that you have a PRI previously and the programming is in place. It's just a regular Cat-5 cable, or if a cross over is needed, it is pins 1&2 swapped with 4&5, NOT an Ethernet crossover(!). If the green light on the IPO doesn't come on with one type of cable, try the other. Different brands and even models within brands (looking at you, Adtran) require straight through or cross over. I just carry a little adapter made out of a patch cord and a jack as a crossover adapter, try the straight through first, and if no go, try it with the crossover.
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Old 08-31-2014, 09:49 AM
mvickr mvickr is offline
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**** I con't pull the config until Tuesday AM.
I do have copies of the paper licenses, nothing said SIP on it
Port 9/10 the front of the ip office goes to the T1/E1 port 4 on the AT&T and the T1/E1 port one goes to the AT&T T1 demarc box, CPE #2
The Adtran had 0/1 coming in from the demarc, and ports labeled 0/3 and 0/4 PRI / CAS and 0/1 and 0/2 [which will make sens given the post below]
The IP500 has green lights on 9 10 but not 9/10 [9 over 10]
also there is an RJ11 in port 7/8 on the top of the IP500 going to one punch block in my switch room, and top and bottom on 5/6 goes to another punch box. we have 3 POTS lines, there are no lights on any of those ports, I assume I need to get wires to the new punches for the 3 POTS lines, which are being ported to Nuvox/Windstream as well.
Oh and the LAN port on the back of the IP office goes to the LAN - new cable internet - SBS2008n server etc.

Where would I look in the config to check if it's PRI or SIP? Can you tell anything from my description?

Last edited by mvickr; 08-31-2014 at 10:23 AM.
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Old 08-31-2014, 09:52 AM
mvickr mvickr is offline
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And can I attach pdf of our paper licenses? Would that help determine SIP or PRI?

Also here is the last contact I got from Windstream:


Here are the SIP parameters you will require. If you are uncomfortable with the SIP set up, I would suggest engaging your support for the activation call.

Avaya IP Office Scorecard

Broadsoft West Device Type SIP Trunk (registering)

Avaya IP Office Fields
Windstream SIP Fields

ITSP Domain Name SBC IP Address | 10.250.x.x

ITSP IP Address SBC IP Address | 10.250..x.x

Primary Authentication Name BS-W Trunk Group ID | 3144477xxx

Primary Authentication Password Not Used | (put in whatever you want to fill field)

Registration Required Yes | yes

RE-INVITE yes | yes

Compression Mode g729(a) | g729(a)

Layer 4 Protocol UDP | UDP

Send Port 5060 | 5060

Network Topology- NIC/Gateway – LAN 1 (or 2) Connect to Ethernet0/2 on router |

Your PBX IP is noted as and is defined in our SBC access list as SIP traffic coming from this IP. If that is not the case, please let us know ASAP so it can be updated to the correct IP address.

Internet Information: (Will one public IP be sufficient for your use?) – Ethernet 0/1

Public LAN Network:

Subnet Mask:


Usable Public IP's:

Domain Name Servers (resolvers):

Primary: 66.155.xxx.xxx

Secondary: 207.59.xxx.xxx

Tertiary: 66.251.xx.xxx

Please let us know if you have any additional questions or concerns.


So it looks like we are already setup for SIP and the chart they sent shows what I need to change in the IP500 - is that correct? the chart has the item on the left listed under Avaya Office IP Fields, and the two items seperated by a | listed under SIP Trunk Regestering, then the first item under Windtream SIP Fields, the second item in a column with no heading, I tried to reproduce it decentlyne

So to me it looks like I just need to change some settings in the IP500 and move the 9/10 port ethernet from port 4 on the AT&T/SBC router to the Ethernet 0/2 on the adtran and I should be good to go, correct?

Thanks for your help!

Last edited by mvickr; 08-31-2014 at 10:13 AM.
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change isp, ip 500, new isp, windstream

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